4.2 Specifications and Ratings
4.2.4 Ratings of Servomotors with Gears
4
Specifications, Ratings, and Exter
nal Dimensions of SGM7J Servomotors
4-7
*
The moment of inertia for the Servomotor and gear is the value without a holding brake. You can calculate the
moment of inertia for a Servomotor with a Gear and Holding Brake with the following formula.
Motor moment of inertia for a Servomotor with a Holding Brake from
on page 4-4 + Moment of inertia for the gear from the above table.
The SERVOPACK speed control range is 1:5,000. If you use Servomotors at extremely low speeds
(0.02 min
-1
or lower at the gear output shaft), if you use Servomotors with a one-pulse feed refer-
ence for extended periods, or under some other operating conditions, the gear bearing lubrication
may be insufficient. That may cause deterioration of the bearing or increase the load ratio.
Contact your Yaskawa representative if you use a Servomotor under these conditions.
Servomotor Model
SGM7J-
Moment of Inertia [
×
10
-4
kg
⋅
m
2
]
With Gears
Reference Diagram
Shaft Output
Flange Output
Allowable
Radial
Load
[N]
Allowable
Thrust
Load
[N]
LF
[mm]
Motor
*
+ Gear
Gear
Motor
*
+ Gear
Gear
A5A
AH1
0.0455
0.006
0.0445 0.005
95
431
37
A5A
AH2
0.0425
0.003
0.0425 0.003 113
514
37
A5A
AHC
0.0435
0.004
0.0435 0.004 146
663
37
A5A
AH7
0.0845
0.045
0.0845 0.045 267
1246
53
01A
AH1
0.0719
0.006
0.0709 0.005
95
431
37
01A
AHB
0.126 0.060 0.125 0.059 192
895
53
01A
AHC
0.116 0.050 0.116 0.050 233
1087
53
01A
AH7
0.131 0.065
0.130 0.064 605
2581
75
C2A
AH1
0.0975
0.006
0.0965 0.005
95
431
37
C2A
AHB
0.152 0.060 0.151 0.059 192
895
53
C2A
AHC
0.202 0.110 0.200 0.108 528
2254 75
C2A
AH7
0.157 0.065
0.156 0.064 605
2581 75
02A
AH1
0.470 0.207
0.464 0.201 152
707
53
02A
AHB
0.456
0.193
0.455 0.192 192
895
53
02A
AHC
0.753
0.490 0.751 0.488 528
2254 75
02A
AH7
0.713
0.450 0.712 0.449 605
2581 75
04A
AH1
0.693
0.207
0.687
0.201 152
707 53
04A
AHB
1.06 0.570 1.05 0.560 435
1856 75
04A
AHC
0.976
0.490 0.974
0.488 528
2254 75
04A
AH7
1.11 0.620 1.10 0.610 951
4992 128
06A
AH1
1.50 0.700 1.46 0.660 343
1465 75
06A
AHB
1.37 0.570 1.36 0.560 435
1856 75
06A
AHC
1.64 0.840 1.62 0.820 830
4359 128
06A
AH7
1.42 0.620 1.41 0.610 951
4992 128
08A
AH1
2.29 0.700 2.25 0.660 343
1465 75
08A
AHB
2.19 0.600 2.18 0.590 435
1856 75
08A
AHC
4.59 3.00
4.57 2.98 830
4359 128
08A
AH7
4.39
2.80
4.37 2.78 951
4992 128
Important
LF
Shaft Output
Radial load
Thrust load
LF
Flange Output
Radial load
Thrust load
